[bug #65474] false positive "warning: unbalanced 'el' request" when processing TZDB zic.8

[Paul Eggert]

URL:
  <https://savannah.gnu.org/bugs/?65474>

                 Summary: false positive "warning: unbalanced 'el' request"
when processing TZDB zic.8
                   Group: GNU roff
               Submitter: eggert
               Submitted: Sun 17 Mar 2024 10:35:43 AM PDT
                Category: None
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None


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Follow-up Comments:


-------------------------------------------------------
Date: Sun 17 Mar 2024 10:35:43 AM PDT By: Paul Eggert <eggert>
I am following up on a bug report against the TZDB documentation that turns
out to be a bug in groff that causes groff to output a false positive in a
diagnostic.

I reduced the bug to the following standalone shell command:

groff -ww >/dev/null <<'EOF'
.ie \n(.g groff
.el .ie t troff
.el neither groff nor troff
EOF

On my platform (Fedora 39, with groff 1.23.0) this outputs:

troff:<standard input>:3: warning: unbalanced 'el' request

However, there's nothing unbalanced here, and this input works fine with groff
and with traditional troff.







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